| // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| import "dart:async"; |
| import "package:expect/expect.dart"; |
| import "package:async_helper/async_helper.dart"; |
| |
| var result = ""; |
| |
| foo() { |
| result += "foo"; |
| } |
| |
| bar() async { |
| result += "bar"; |
| await null; |
| result += "bar2"; |
| } |
| |
| main() { |
| asyncStart(); |
| () async { |
| var f = new Future(foo); |
| var b = bar(); |
| Expect.equals("bar", result); |
| scheduleMicrotask(() => result += "micro"); |
| await b; |
| await f; |
| |
| // Validates that bar is scheduled as a microtask, before foo. |
| Expect.equals("barbar2microfoo", result); |
| asyncEnd(); |
| }(); |
| } |